Ask the Experts

Ask the Experts

Network Infrastructure

• How to retrieve passwords from locked laptops

  How can I retrieve passwords from locked laptops? Our networking fundamentals expert answers this question.  Continue Reading

• What can we expect in an 802.11n Wireless LAN standard implementation?

  At what stage is 802.11n implementation in, and what changes can we expect to see with it? Learn about the standard from wireless networking expert Lisa Phifer.  Continue Reading

• Why are IPv6's IP addresses in hexadecimal formatting?

  Why would IPv6 use hexadecimal formatting if it's so user unfriendly, and what sort of workarounds are there to make IP addressing easier? Find out in this expert answer.  Continue Reading

• Understanding VLAN implementation and IP address assignment

  Learn how to create and configure a VLAN in this response from a network administration expert  Continue Reading

• Can 802.11 protocols be used with GPRS connectivity?

  Can 802.11 protocols be used with GPRS connectivity? Find out from our wireless networking expert, Lisa Phifer.  Continue Reading

• What is NAT, and how do I know if it's taking place on my network?

  In this Q&A, our expert explains the basics of NAT (Network Address Translation), where it occurs, and what it does.  Continue Reading

• What are a TV tower's effects on your network?

  How will being next to a TV station tower affect your network? Find out in this expert response.  Continue Reading

• Differences between Internet Connection Sharing (ICS) and bridging

  Learn the difference between Internet Connection Sharing (ICS) and bridging between two NIC cards from networking fundamentals expert Chris Partsenidis.  Continue Reading

• Is time-to-live (TTL) thrown out in IPv6?

  Why is there time-to-live (TTL) in IPv4 but not in IPv6? Find out in this expert response.  Continue Reading

• Why IPv4 and IPv6 don't do fragment reassembly in routers

  Learn why IPv4 does not do fragment reassembly at the next router and why this is even more important in IPv6.  Continue Reading

• What is basic difference between a router and a switch?

  What is basic difference between a router and a switch? Find out from routing and switching expert Sudhanshu Gupta.  Continue Reading

• LAN network design considerations

  Look at these LAN network design considerations from network administration expert Lindi Horton.  Continue Reading

• What is the maximum length of attenuation for twisted pair cables?

  Find out the industry standards for twisted pair cable length in this response from network infrastructure expert Carrie Higbie.  Continue Reading

• How do you design networks to allow for future growth?

  Use these steps to allow for enough future growth in your network design.  Continue Reading

• How do IP addresses work on Layer 2 switches?

  Learn how IP addresses work on Layer 2 switches from our networking fundamentals expert.  Continue Reading